YX6300 UART TTL Serial MP3 Music Player Module

YX6300 UART TTL Serial MP3 Music Player Module is an exceptionally versatile, intelligent audio playback device tailored for embedded electronics and interactive DIY projects. This compact module seamlessly decodes both MP4 and WAV audio formats directly from an onboard TF/Micro SD card slot, delivering high-quality sound output without taxing the host microcontroller. Consequently, creators perfectly embed this module into custom alarm systems, interactive voice-prompt panels, and automated tour guides. The device communicates intelligently via a simple serial UART interface, therefore allowing any standard microcontroller to command song selection, volume adjustment, and playback modes with only a few lines of code. Furthermore, its broad selection of supported sampling rates ensures flawless audio fidelity across a wide spectrum of media files. Therefore, whether you are developing a talking robot or an advanced multimedia toy, this MP3 module offers an elegant, low-cost solution for integrated sound.

Key Features:

• UART Serial Control: Microcontrollers can easily command the module using simple 9600 bps serial text strings to play, pause, or switch tracks.
• Broad File Support: The integrated decoding chip effortlessly processes both standard MP3 and uncompressed WAV audio files for maximum flexibility.
• Micro SD Card Slot: Features an onboard TF card receptacle that supports standard FAT16 and FAT32 formatted memory cards for mass audio storage.
• Variable Sampling Frequencies: Intelligently handles a massive range of audio sampling rates from 8 kHz all the way up to 48 kHz.
• Built-In Audio Jack: Includes an onboard 3.5mm stereo output jack, consequently allowing direct connection to headphones or external amplifier boards.

Technical Specifications:

• Operating Voltage (V_CC): 3.2 V to 5.2 V DC (Optimal 5V)
• Communication Interface: Standard TTL UART Serial
• UART Communication Baud Rate: 9600 bps
• Supported Audio Formats: MP3, WAV
• Supported Storage: Micro SD / Micro SDHC (Typically up to 32GB, FAT16/FAT32)
• Adjustable Volume Levels: 30 Distinct software-adjustable levels
• Supported Sampling Rates: 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48 kHz

Mechanical Specifications:

• Board Material: Multi-layer FR4 Fiberglass PCB
• Card Receptacle: Push-push style Micro SD (TF) metal housing
• Output Interface: 3.5mm Heavy-duty stereo audio jack
• Mounting Support: Typically includes pre-drilled M2 or M3 mounting holes in the PCB corners.
• Header Pins: Standard 2.54mm pitch through-hole headers for breadboarding.

Dimensions:

• Module Length: ≈ 43.0 mm
• Module Width: ≈ 25.0 mm
• Module Height: ≈ 12.0 mm (including audio jack and headers)
• Weight: ≈ 5.0 grams

Pinout and Wiring:

• VCC: Connect to a clean, stable 3.3V or 5V DC power supply from your primary circuit.
• GND: Connect firmly to the common ground of your power supply and microcontroller.
• TX: Connect this transmit pin to the RX (Receive) pin of your host microcontroller.
• RX: Connect this receive pin to the TX (Transmit) pin of your host microcontroller to additionally send control commands.
• Wiring Note: Always cross your serial connections (TX to RX, RX to TX), otherwise the module will fail to receive the instruction strings.

Datasheet Reference:

• Download YX6300 / YX5300 Serial MP3 Module Manual

Commonly Used in:

• Interactive Museum Exhibits: Triggering custom voiceover narratives or sound effects when visitors press a button or approach a sensor.
• Automated Warning Systems: Broadcasting pre-recorded emergency sirens or verbal safety alerts in industrial workshops.
• Elevator Systems: Announcing floor numbers, door movements, and building-specific audio notifications.

Applications:

• Custom Toy Design: Embedding engaging character voices or musical loops into plush toys or custom figurines specifically.
• Smart Home Hubs: Outputting verbal status updates and audible confirmation chimes across home automation networks.
• Vending Machines: Welcoming customers or providing audible instructions to operate the kiosk consequently.

Equivalent Models:

• YX5300: The direct precursor model, physically identical but occasionally employing a marginally different core audio processor.
• DFPlayer Mini: An incredibly popular, slightly smaller alternative that offers serial control but also features direct speaker driving capabilities.
• WTV020-SD: A much older legacy audio module however strictly requiring specific AD4 formatted audio files.

Package Includes:

• 1 x YX6300 UART TTL Serial MP3 Music Player Module (V3.2)